667045130 has 16 divisors (see below), whose sum is σ = 1201161960. Its totient is φ = 266711232.

The previous prime is 667045129. The next prime is 667045163. The reversal of 667045130 is 31540766.

It can be written as a sum of positive squares in 4 ways, for example, as 591997561 + 75047569 = 24331^2 + 8663^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15932 + ... + 39848.

Almost surely, 2^667045130 is an apocalyptic number.

667045130 is a deficient number, since it is larger than the sum of its proper divisors (534116830).

667045130 is a wasteful number, since it uses less digits than its factorization.

667045130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26713.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 667045130 is about 25827.2168458005. The cubic root of 667045130 is about 873.7457425518.

Adding to 667045130 its reverse (31540766), we get a palindrome (698585896).

The spelling of 667045130 in words is "six hundred sixty-seven million, forty-five thousand, one hundred thirty".